ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,985, issued on July 15, was assigned to Keeson Technology Corporation Limited (Jiaxing, China) and Yangtze Delta Region Institute of Tsinghua University, Zhejiang (Jiaxing, China).

"Transduction unit of non-contact human sleep physiological parameter detection sensor" was invented by Huafeng Shan (Zhejiang, China), Kaimin Cao (Zhejiang, China), Jiadong Wang (Zhejiang, China), Hongwen Li (Zhejiang, China), Xiuping Han (Zhejiang, China) and Xin Jin (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transduction unit of a non-contact human sleep physiological parameter detection sensor includes a circuit board, a piezoelectric film and c...